Add new COLOUR_SCIENCE__FILTER_RUNTIME_WARNINGS, `COLOUR_SCIENCE__F…

…ILTER_USAGE_WARNINGS`, `COLOUR_SCIENCE__FILTER_COLOUR_WARNINGS` and `COLOUR_SCIENCE__FILTER_PYTHON_WARNINGS` environment variables.

colour/utilities/verbose.py

@@ -32,7 +32,7 @@
     Type,
     cast,
 )
-from colour.utilities import is_string, optional
+from colour.utilities import as_bool, is_string, optional
 
 __author__ = "Colour Developers"
 __copyright__ = "Copyright 2013 Colour Developers"
@@ -392,7 +392,38 @@ def filter_warnings(
 
 
 # Defaulting to filter *Colour* runtime warnings.
-filter_warnings(colour_runtime_warnings=True)
+filter_warnings(
+    colour_runtime_warnings=as_bool(
+        os.environ.get("COLOUR_SCIENCE__FILTER_RUNTIME_WARNINGS", "True")
+    )
+)
+
+if (
+    os.environ.get("COLOUR_SCIENCE__FILTER_USAGE_WARNINGS") is not None
+):  # pragma: no cover
+    filter_warnings(
+        colour_usage_warnings=as_bool(
+            os.environ["COLOUR_SCIENCE__FILTER_USAGE_WARNINGS"]
+        )
+    )
+
+if (
+    os.environ.get("COLOUR_SCIENCE__FILTER_COLOUR_WARNINGS") is not None
+):  # pragma: no cover
+    filter_warnings(
+        colour_usage_warnings=as_bool(
+            os.environ["COLOUR_SCIENCE__FILTER_WARNINGS"],
+        )
+    )
+
+if (
+    os.environ.get("COLOUR_SCIENCE__FILTER_PYTHON_WARNINGS") is not None
+):  # pragma: no cover
+    filter_warnings(
+        colour_usage_warnings=as_bool(
+            os.environ["COLOUR_SCIENCE__FILTER_PYTHON_WARNINGS"]
+        )
+    )
 
 
 @contextmanager

docs/advanced.rst

@@ -1,5 +1,5 @@
-Advanced Concepts
-=================
+Advanced Usage
+==============
 
 This page describes some advanced usage scenarios of **Colour**.
 
@@ -29,6 +29,12 @@ runtime:
     :func:`warnings.showwarning` definition to be replaced with the
     :func:`colour.utilities.show_warning` definition and thus providing
     complete traceback from the point where the warning occurred.
+-   ``COLOUR_SCIENCE__FILTER_RUNTIME_WARNINGS``: Filter *Colour* runtime
+    warnings.
+-   ``COLOUR_SCIENCE__FILTER_USAGE_WARNINGS``: Filter *Colour* usage warnings.
+-   ``COLOUR_SCIENCE__FILTER_COLOUR_WARNINGS``: Filter *Colour* warnings, this
+    also filters *Colour* usage and runtime warnings.
+-   ``COLOUR_SCIENCE__FILTER_PYTHON_WARNINGS``: Filter *Python* warnings.
 
 JEnv File
 ---------

docs/basics.rst

@@ -1,5 +1,5 @@
-Basic Concepts
-==============
+Basic Usage
+===========
 
 This page puts an emphasis on basic concepts of **Colour**, those are important
 to understand.